DM DE MATH URGENT DANS LA PIECE JOINT
PS : NE DITES N'IMPORTE QUOI POUR GAGNER DES POINT SINON JE SIGNAL
MERCI
1)a)
b)
2)
3)
Copyright © 2025 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
1)a)
b)![f(-5) = 1,3 * -5 = -6,5 \\f(3) = 1,3*3=3,9 \\f(-5)+f(3) = -6,5 + 3,9 = -2,6 \\ \\f(-5+3)=f(-2)=1,3*-2=-2,6 \\ \\f(-5)+f(3) = f(-5+3) f(-5) = 1,3 * -5 = -6,5 \\f(3) = 1,3*3=3,9 \\f(-5)+f(3) = -6,5 + 3,9 = -2,6 \\ \\f(-5+3)=f(-2)=1,3*-2=-2,6 \\ \\f(-5)+f(3) = f(-5+3)](https://tex.z-dn.net/?f=f%28-5%29+%3D+1%2C3+%2A+-5+%3D+-6%2C5+%5C%5Cf%283%29+%3D+1%2C3%2A3%3D3%2C9+%5C%5Cf%28-5%29%2Bf%283%29+%3D+-6%2C5+%2B+3%2C9+%3D+-2%2C6+%5C%5C+%5C%5Cf%28-5%2B3%29%3Df%28-2%29%3D1%2C3%2A-2%3D-2%2C6+%5C%5C+%5C%5Cf%28-5%29%2Bf%283%29+%3D+f%28-5%2B3%29)
2)![f(x) = 1,3x \\f(x')=1,3x' \\f(x)+f(x') = 1,3x + 1,3x' \\f(x)+f(x') = 1,3(x+x') \\f(x)+f(x') = f(x+x') f(x) = 1,3x \\f(x')=1,3x' \\f(x)+f(x') = 1,3x + 1,3x' \\f(x)+f(x') = 1,3(x+x') \\f(x)+f(x') = f(x+x')](https://tex.z-dn.net/?f=f%28x%29+%3D+1%2C3x+%5C%5Cf%28x%27%29%3D1%2C3x%27+%5C%5Cf%28x%29%2Bf%28x%27%29+%3D+1%2C3x+%2B+1%2C3x%27+%5C%5Cf%28x%29%2Bf%28x%27%29+%3D+1%2C3%28x%2Bx%27%29+%5C%5Cf%28x%29%2Bf%28x%27%29+%3D+f%28x%2Bx%27%29+)
3)![f(12) = 1.3 * 12 = 15.6 \\f(13) = 1.3 * 13 = 16.9 \\ \\f(12 + 13) = f(25) \\f(12+13) = f(12) + f(13) \\f(25) = f(12) + f(13) = 15,6 + 16,9 = 32,5 \\ \\25 equerres => 32,5euros f(12) = 1.3 * 12 = 15.6 \\f(13) = 1.3 * 13 = 16.9 \\ \\f(12 + 13) = f(25) \\f(12+13) = f(12) + f(13) \\f(25) = f(12) + f(13) = 15,6 + 16,9 = 32,5 \\ \\25 equerres => 32,5euros](https://tex.z-dn.net/?f=f%2812%29+%3D+1.3+%2A+12+%3D+15.6+%5C%5Cf%2813%29+%3D+1.3+%2A+13+%3D+16.9+%5C%5C+%5C%5Cf%2812+%2B+13%29+%3D+f%2825%29+%5C%5Cf%2812%2B13%29+%3D+f%2812%29+%2B+f%2813%29+%5C%5Cf%2825%29+%3D+f%2812%29+%2B+f%2813%29+%3D+15%2C6+%2B+16%2C9+%3D+32%2C5+%5C%5C+%5C%5C25+equerres+%3D%3E+32%2C5euros)